Rails Paperclip how to delete attachment?

Question

I am using Paperclip (w/ Amazon s3) on Rails 3. I want to delete an existing attachment without replacing it using an update action.

I\'ve only foun

Answer 1

Modified version of Paul's solution, to support Rails 5 custom attributes. I just wish there were a way to include the module at the top of the file, before has_attached_file definitions.

module Mixins
  module PaperclipRemover

    extend ActiveSupport::Concern

    included do
      attachment_definitions.keys.each do |name|

        attribute :"remove_#{name}", :boolean

        before_validation do
          self.send("#{name}=", nil) if send("remove_#{name}?")
        end

      end
    end

  end

end